Run first 5-8 minute investigation playtest pass

[breadback00-dev]

Goal

Verify that the opening minutes feel like active investigation, not passive reading.

Test questions

• Does the player understand what they are investigating in the first minute?
• Do they inspect, tag, compare, or unlock something within 5-8 minutes?
• Do they notice that their interpretation path is being tracked?
• Do they understand the difference between truth and route?
• Do they want to continue after the reveal?

Acceptance criteria

• At least one discovery beat happens in the first 5-8 minutes.
• Testers can describe the human stakes without needing lore explanation.
• Testers understand what changed because of their path.

Recommended Compound Engineering skill

ce-test-browser, then ce-polish-beta.

[breadback00-dev]

Implemented in draft PR #14 via commit 79fce7d. Added docs/first-8-minute-playtest.md with the target path, self-run results, acceptance check, observed risks, and blind playtest script. �gent-browser is not installed in this environment, so this pass used module/static checks plus local serving rather than full browser automation.

[breadback00-dev]

Correction/update: I retried using the Python Playwright install on this machine. Browser automation now passes on desktop and 390px mobile. Captured screenshots are committed in docs/first-8-minute-playtest-final.png and docs/first-8-minute-playtest-mobile.png via commit 1d7d4d9. No browser console/page errors observed.